0g-chain/tests/e2e/testutil/init_evm.go
Robert Pirtle c90c7a8647
test(e2e): test more complex cosmos assert conversion (#1616)
* ensure users can mint() or burn() erc20s

* refactor test setup

* refactor GetErc20Balance for arbitrary erc20 contracts

* move GetErc20Balance() to Chain

* test complex erc20 operations & convert

* undo changes to e2e env
2023-06-06 09:40:17 -07:00

51 lines
1.7 KiB
Go

package testutil
import (
"context"
"fmt"
"math/big"
"github.com/ethereum/go-ethereum/common"
ethtypes "github.com/ethereum/go-ethereum/core/types"
"github.com/kava-labs/kava/tests/e2e/contracts/greeter"
"github.com/kava-labs/kava/tests/util"
)
// InitKavaEvmData is run after the chain is running, but before the tests are run.
// It is used to initialize some EVM state, such as deploying contracts.
func (suite *E2eTestSuite) InitKavaEvmData() {
whale := suite.Kava.GetAccount(FundedAccountName)
// ensure funded account has nonzero erc20 balance
balance := suite.Kava.GetErc20Balance(suite.DeployedErc20Address, whale.EvmAddress)
if balance.Cmp(big.NewInt(0)) != 1 {
panic(fmt.Sprintf("expected funded account (%s) to have erc20 balance", whale.EvmAddress.Hex()))
}
// deploy an example contract
greeterAddr, _, _, err := greeter.DeployGreeter(
whale.evmSigner.Auth,
whale.evmSigner.EvmClient,
"what's up!",
)
suite.NoError(err, "failed to deploy a contract to the EVM")
suite.Kava.ContractAddrs["greeter"] = greeterAddr
}
func (suite *E2eTestSuite) FundKavaErc20Balance(toAddress common.Address, amount *big.Int) EvmTxResponse {
// funded account should have erc20 balance
whale := suite.Kava.GetAccount(FundedAccountName)
data := util.BuildErc20TransferCallData(toAddress, amount)
nonce, err := suite.Kava.EvmClient.PendingNonceAt(context.Background(), whale.EvmAddress)
suite.NoError(err)
req := util.EvmTxRequest{
Tx: ethtypes.NewTransaction(nonce, suite.DeployedErc20Address, big.NewInt(0), 1e5, big.NewInt(1e10), data),
Data: fmt.Sprintf("fund %s with ERC20 balance (%s)", toAddress.Hex(), amount.String()),
}
return whale.SignAndBroadcastEvmTx(req)
}